Back to EveryPatent.com
United States Patent | 5,676,649 |
Boukhny ,   et al. | October 14, 1997 |
A cutting tip having an asymmetric, hydrodynamic channel that tightens the cutting tip during operation.
Inventors: | Boukhny; Mikhail (Laguna Beach, CA); Chon; James Y. (Chino Hills, CA) |
Assignee: | Alcon Laboratories, Inc. (Fort Worth, TX) |
Appl. No.: | 723665 |
Filed: | October 4, 1996 |
Current U.S. Class: | 604/22; 606/169 |
Intern'l Class: | A61B 017/00 |
Field of Search: | 604/22 606/166,170,169,171,180 |
3589363 | Jun., 1971 | Banko et al. | |
4169984 | Oct., 1979 | Parisi. | |
4223676 | Sep., 1980 | Wuchinich et al. | |
4246902 | Jan., 1981 | Martinez. | |
4493694 | Jan., 1985 | Wuchinich. | |
4515583 | May., 1985 | Sorich. | |
4589415 | May., 1986 | Haaga. | |
4609368 | Sep., 1986 | Dotson, Jr. | |
4634419 | Jan., 1987 | Kreizman et al. | |
4634420 | Jan., 1987 | Spinosa et al. | |
4869715 | Sep., 1989 | Sherburne. | |
4922902 | May., 1990 | Wuchinich et al. | |
4974581 | Dec., 1990 | Wiksell. | |
4989583 | Feb., 1991 | Hood. | |
4989588 | Feb., 1991 | Kubota et al. | |
5154694 | Oct., 1992 | Kelman. | |
5199943 | Apr., 1993 | Wypych | 606/169. |
5324297 | Jun., 1994 | Hood et al. | 604/22. |
5359996 | Nov., 1994 | Hood. | |
5531722 | Jul., 1996 | Van Hale | 604/22. |